looking down at piranhas swimming in a lake in the amazon rainforest in peru

amazon rainforest tambopata peru travel remote wilderness bucket list tropical nature plants outdoors tourism ecotourism vacation environment ecosystem exotic south america sight lake brown water piranha dangerous lethal fish freshwater serrasalmidae tetra aquatic ripples wildlife looking piranhas swimming reflection pond wetland river waterway soil stream leaf fishpond waterbird tree marsh reservoir duck swamp bayou